Solve the equation of x. 1/5[10-5(x-2)] =1/10(x+1)

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

The measure of an angle is 117°. what is the measure of a supplementary angle?